About the Authors

Lisa Hinton

lisa.hinton@phc.ox.ac.uk

Affiliation Health Experiences Research Group, Nuffield Department of Primary Health Care Sciences, University of Oxford, Oxford, United Kingdom

Louise Locock

Affiliation Health Experiences Research Group, Nuffield Department of Primary Health Care Sciences, University of Oxford, Oxford, United Kingdom

Marian Knight

Affiliation National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LH LL MK. Performed the experiments: LH. Analyzed the data: LH LL MK. Wrote the paper: LH LL MK.